Home / 359,688,711.69-539,532,719.91-135,382,287.51

Finding the Fourth Proportional to 359,688,711.69, 539,532,719.91 and 135,382,287.51

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Solution

The fourth proportional to 359,688,711.69, 539,532,719.91 and 135,382,287.51 is: 203,073,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688,711.69 : 539,532,719.91 = 135,382,287.51 : x
  2. Step 2: Convert to fraction form
    359,688,711.69/539,532,719.91 = 135,382,287.51/x
  3. Step 3: Cross multiply
    359,688,711.69x = 539,532,719.91 × 135,382,287.51
  4. Step 4: Simplify right side
    359,688,711.69x = 73,043,173,807,907,904
  5. Step 5: Solve for x
    x = 73,043,173,807,907,904/359,688,711.69
  6. Step 6: Final answer
    x = 203,073,300.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.